Facebook's big four

In Facebook's just released S-1 filing the company makes the case of its size and growth. That's kicked off with some simple metrics: how many people are using the site, and what exactly they're doing on it.

Here we've got an update on how many active monthly users the site has, how many likes and comments, how many photos are being uploaded, as well as the number of connections made among all those users.

Click through to see the rest of the company's charts.